Trilobites: Bone’s Marks Suggest a Cannibal Ritual in Ancient Britain Researchers have found a zigzag pattern on a human arm bone that might have been engraved as part of a cannibalistic funeral ritual 15,000 years ago. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Mount St Helens eruption FEARS: Volcano expert warns ‘I have never seen ANYTHING like it’NASA probe Antarctica magnetic anomaly sparking shock ancient FROZEN CITY claimVolcano eruption WARNING: This US volcano will 'almost certainly' erupt NEXT in IdahoQ&A: Pills to Protect Against an ApocalypseTime travel BOMBSHELL: Are black hole wormholes gateways through time and space?Bud Light Picks Fight With Corn Syrup in Super Bowl Ad